Excavating-shovel.



H. G. BUTLER.

EXGAVATING SHOVEL.

APPLICATION FILED we. a, 1906.

Patented June 1, 1909.

w". &

N &

five/22 02? ag/0 afldzi y;

. first class.

UNITED STATES PATENT OFFICE.

HENRY G. BUTLER, OF KENOSHA,-WISCONSIN.

EXCAVATING-SHOVEL.

To all whom it may concern: 1

Be it known that I, HENRY G. BUTLER, a citizen of the United States,residing at Kenosha, in the county of Kenosha and State of Wisconsin,have invented a new and useful Improvement in Excavating Shovels, ofwhich the following is a specification.

My invention relates to an improvement in the class of excavating-shovelwhich is adapted to be suspended atits pivoted suspension-bail from aderrick, or cable, at a pulley, to be raised and lowered by thesuspending medium, and provided with a draft -rigging, connected with 'asuitable windlass, or other power device, for drag ging the shovel tofill it, for controlling the dumping of the shovel by permitting ittoturn 011 its pivotal connection with the suspension-bail, and formaintaining the shovel in its proper horizontal condition intransporting it from the filling position to the place of dumping.

The objectof my invention is to provide a constructionby which theshovel can be controlled in its operation, by the hoisting cable andpulling cable and by which a shovel open at both ends may be employed.

Referring to the accompanying drawingsFigure 1 is a plan view of anexcavating-shovel provided with my improvement; Fig. 2, a view in sideelevation of the same, and Fig. 3 a similar view of the same, thoughshowingthe shovel in its position of dumping.

The shovel proper, represented at 7 in the drawings, may be of anydesired or suitable form and construction, and is adapted fordischarging the load at its rear end, which latter is closed duringfilling and transportation, as hereinafter described. A suspension-bail8 straddles the shovel and has its arms pivotally connected with thesides thereof as at 9, 9, but forward of the center of gravity of theshovel, when loaded: the pivots being located between the ends of thebail-arms and preferably near their lower ends, to constitute the bail alever of the The bail carries a sheave 10 by which to suspend it throughthe medium of a rope, or cable, 11. Near the forward end of each side ofthe shovel is pivoted at one of its ends as represented at 12 a lever 13these levers 13 beingconnected at their outer ends by a hauling-bail 14pivotally joined to them to afford the. draft-rigging,

Specification of Letters Patent.

Application filed August 8, 1906.

Patented June l, 1909.

Serial No. 329,686.

and a rope, or cable, 15 connects the haul ing-bail 14:. with aWindlass, or other power device (not shown); A link 16 connects thesuspension-bail 8 and one of the levers 13 at each side of the: shovel,the inner end of each link 16 being pivotally connected with a lower endof the suspension-bail 8 below itspivotal point 9, while the outerend'of each link is pivoted to a lever 13 at a point in advance of itspix'ot 12%.

The operation of this devicewill be readily apparent. lVhen excavatingearth, or other material, the shovel is dragged, 1n the positionrepresented in Fig. 2, or in approximately a horizontal posltlon, by thepull exerted on the rope 15. After the shovel has beenfilled, it israised by the rope 11, while the rope 15 is maintained taut, therebytending to turn the levers 13 on their pivots, and to accordingly forcethe links 16 against the arms of the suspensionbail 8, with which theyare connected, with the obvious effect of retaining the loaded shovel ina horizontal position while it is being transported from the point offilling to the point of dumping, as for instance a spoil-bank. The armsof the bail 8 are represented as carrying. through the medlum ofbranches 1'7 extending from them, a back 18' for closing the rear openend of the shovel when in its position for filling or transportation.Upon reaching the point of discharge, or place of dumping, the rope 15is slacked, thereby removing the strain which holds theshovel in ahorizontal position, and the weight of the load turns the shovelbackward 011 its fulcrum 9, away from the end 18, to the dumpingposition represented in Fig. 3, where the load is free to slide from theshovel.

In Fig. 2 is represented a stop-bar 19, one being provided on the outersurface of each side of the shovel, near its forward end, to be engagedby the respective lever 13 and prevent it from being turned unduly in anupward direction on its fulcrum.

That I claim as new, and desire to secure by Letters Patent, is

1. The combination with an excavatingshovel open at both ends, of adraft-rigging pivoted to the shovel near its forward end, asuspension-bail pivoted to the shovel forward of its center of gravitywhen loaded, links pivotaily connecting said draft-rigging with saidsuspension-bail, and an end carried by said suspension-bail, adapted toclose the rear open end of theshovel when in a ends to thesuspension-bail below the pivo filling position. of the latter, branchesextending back from 2. The combination with an excavatingthesuspension-bail, and a back secured to shovel open at both ends, of adraft-rigging said branches and adapted to close the rear 5 pivoted tothe shovel near its forward end, open end of the shovel when the latteris in .5

a suspension-bail pivoted near its lower ends a filling position.

to the shovel forward of the center of gravi HENRY BUTLER. ity whenloaded, links pivoted at their forl In the presence of: Ward ends to thedraft-rigging in advance A. U. THORIEN,

10 of the pivots of the latter and at their rear 0. W. WASHBURNE.

